Dual Density Rubber Sole Technology

BfR Combat Boot

Dual Density Rubber Sole Technology

Our dual density sole is made of rubber midsole and nitrile rubber outsole that is directly moulded onto the upper. This dual density direct soling makes our boots lightweight with elastic, absolutely waterproof soles.

The rubber midsole, with its notable surface finish, consistency and processibility, allows for longer wear time with less fatigue, as well as increased shock absorbency and energy return. It is anti-static, fire-resistant and maintains superior adhesion to the outsole.

The rubber outsole features lightweight, abrasion resistant, nitrile rubber with tread patterns that deliver stability and traction that greatly increase the life of the boot. It is anti-static and non-marking. We have different rubber outsole tread patterns to serve varying needs.


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Nitrile rubber, the most heat resistant commercially available industrial soling material, is able to resist most oils, acids, alkalies and other chemicals. It also offers better slip resistance in wet conditions, especially oil on smooth surfaces.

Dual density rubber is an ideal soling material for defence, fire-fighting and heavy-duty footwear. Compared with single density vulcanised rubber sole or polyurethane midsole and rubber outsole, dual density rubber midsole and outsole provide higher wearing comfort, better resistance to hydrolysis hence increased shelf-life and have better insulation properties against cold and heat.

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